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net: bpfilter: Fix type cast and pointer warnings

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Fixes the following Sparse warnings:

net/bpfilter/bpfilter_kern.c:62:21: warning: cast removes address space
of expression
net/bpfilter/bpfilter_kern.c:101:49: warning: Using plain integer as
NULL pointer

Signed-off-by: Shanthosh RK <shanthosh.rk@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shanthosh RK 2018-10-05 20:57:48 +05:30 committed by David S. Miller
parent 2c05d88818
commit 33aa8da1f8
1 changed files with 2 additions and 2 deletions
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4
net/bpfilter/bpfilter_kern.c
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@ -59,7 +59,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname,
req.is_set = is_set;
req.pid = current->pid;
req.cmd = optname;
req.addr = (long)optval;
req.addr = (long __force __user)optval;
req.len = optlen;
mutex_lock(&bpfilter_lock);
if (!info.pid)
@ -98,7 +98,7 @@ static int __init load_umh(void)
pr_info("Loaded bpfilter_umh pid %d\n", info.pid);
/* health check that usermode process started correctly */
if (__bpfilter_process_sockopt(NULL, 0, 0, 0, 0) != 0) {
if (__bpfilter_process_sockopt(NULL, 0, NULL, 0, 0) != 0) {
stop_umh();
return -EFAULT;
}